Our API Testing Series continues with a look at two command line tools – HTTPie and curl. Both of these tools are ideal for exploration. Along the way, you will create a couple of API tests running against the Trello API, which is a real API with formal authentication tokens,

This part of the API Testing Series looks at API Science, an API monitoring and reporting tool that's set up in an environment to collect information and alert users when something happens. Rather than being a tool for users to interact with an API directly, API Science allows them to observe.

This article is part of a 10-part series about interesting APIs that were added to our directory during 2016. App Development and DevOps Tools APIs are covered in this segment. The APIs were chosen by our researchers, by popularity according to website traffic, and by mentions on social media.